| Girdles | Girdles | Gem girdles | Curve |
| Planes | Planes | Gem planes. X axis should follow the rail gems. | Plane |
| Width | Width | Width of prongs.
A value or list of values. | Number |
| Height | Height | Height of prongs.
A value or list of values. | Number |
| Ratio | Ratio | Ratio of head prongs.
A value or list of values. | Number |
| Depth | Depth | Depth prongs on gems.
A value or list of values. | Number |
| Down | Down | Decreases the position of the prongs.
A value or list of values. | Number |
| Locations A | Loc A | (Optional) Specifies the position of the right prongs using normalized values (between 0 and 1).
A list of values will apply to all gems.
One branch per gem will be applied to each gem individually. | Number |
| Locations B | Loc B | (Optional) Specifies the position of the left prongs using normalized values (between 0 and 1).
A list of values will apply to all gems.
One branch per gem will be applied to each gem individually. | Number |
| Ends | Ends | If gems rail is open, add prongs at the ends (first and last) | Boolean |
| Close | Close | Close the gems rail to create prongs between the last and the first gem | Boolean |